Intelligent seat control system

Abstract

The utility model provides an intelligent seat control system, and relates to the technical field of seat control. The control system comprises a control unit used for generating a control signal corresponding to a control instruction input by an input unit based on the control instruction and sending the control signal to a driver; the driver is used for converting a control signal sent by the control unit into an electric signal which can be identified by the interface unit; the interface unit is used for controlling the intelligent seat to realize a function corresponding to the functional interface based on the received electric signal; the signal feedback unit is used for acquiring position information of a motor arranged in the intelligent seat and feeding back the position information to the control unit, so that the control unit judges whether the motor is located at a preset limiting position or not based on the position information; the timing unit is used for sending a first electric signal to the control unit when timing time reaches a first time threshold value, and the control unit controls preset functions in the intelligent seat to be closed through the interface unit based on the first electric signal. The production cost is reduced, and the occupied space of the control system is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of seat control, especially to an intelligent seat control system. BACKGROUND

[0002] At present, seats have multifunctionality, such as ventilation, heating, position adjustment, etc. In the prior art, the implementation of various functions of the seat corresponds to different control systems. For example, the ventilation function of the seat is controlled by a corresponding ventilation control system, the heating function is controlled by a corresponding heating control system, and the position adjustment function is controlled by a corresponding position adjustment control system. However, in the implementation process of the prior art, the multiple functions of the seat correspond to multiple control systems, which has high cost, occupies a large space, and has low integration, and cannot meet the requirements of users for high-comfort seats, which is not conducive to the operation of users.

[0003] The above problems need to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an intelligent seat control system, which aims to solve the problem of multiple functions of the seat corresponding to multiple control systems in the prior art, which has high cost, occupies a large space, and has low integration.

[0005] This utility model embodiment provides an intelligent seat control system, which includes: a control unit, an input unit, a power supply circuit, a driver, an interface unit, a timing unit, and a signal feedback unit; the output terminal of the power supply circuit is electrically connected to the second input terminal of the control unit, and is used to provide operating voltage to the control unit; the first output terminal of the control unit is electrically connected to the input terminal of the driver, and is used to generate a corresponding control signal based on the control command input by the input unit and send it to the driver; the output terminal of the driver is electrically connected to the input terminal of the interface unit, and is used to convert the control signal sent by the control unit into an electrical signal recognizable by the interface unit; the output terminal of the interface unit is externally connected to a function corresponding to the interface unit placed in the intelligent seat. The interface includes an input terminal electrically connected to the smart seat and an output terminal electrically connected to the control unit. The input terminal of the signal feedback unit is electrically connected to the smart seat, and the output terminal is electrically connected to the control unit. The signal feedback unit acquires the position information of the motor placed in the smart seat and feeds it back to the control unit, enabling the control unit to determine whether the motor is at a preset limit position based on the position information. The input terminal of the timing unit is connected to the smart seat, and the output terminal is electrically connected to the third input terminal of the control unit. The timing unit starts timing upon receiving a start signal from a pressure sensor placed on the smart seat. When the timing reaches a first time threshold, it sends a first electrical signal to the control unit. Based on the first electrical signal, the control unit controls the preset functions in the smart seat to be disabled via the interface unit.

[0006] Furthermore, the control system also includes a storage unit, which is bidirectionally electrically connected to the control unit and is used to store data in the control unit and to send the stored data to the control unit.

[0007] Furthermore, the control system also includes a circuit protection unit, which is located between the control unit and the power supply circuit. The circuit protection unit integrates overload protection circuit, overheat protection circuit and short circuit protection circuit to ensure the normal operation of the control system.

[0008] Furthermore, the interface unit includes one or a combination of a motor interface, an ambient light interface, a ventilation and heating interface, a communication interface, and a pneumatic massage interface.

[0009] Furthermore, the timer is also used to start timing when the ventilation and heating interface placed on the smart seat is in the open state, and to send a second electrical signal to the control unit when the timing reaches a second time threshold. The control unit controls the ventilation function in the smart seat to turn off based on the second electrical signal through the interface unit.

[0010] Further, the input unit comprises a display screen and physical buttons, the display screen communicates with the control unit through RS232 protocol, and the control unit controls the switch of the interface voltage corresponding to the interface unit based on the control instruction received by the display screen to realize the start or stop of the seat function controlled by the interface.

[0011] Further, the physical buttons are electrically connected with the control unit, when the control unit receives a high-low signal trigger, the low-level signal is effective, when the button is pressed, the signal line is connected with the ground, the control unit identifies the corresponding button trigger and executes the corresponding action; the action includes one-key unfolding and one-key retracting.

[0012] Further, the control system further comprises a 4D rhythm unit, the control unit communicates with the 4D rhythm unit through serial port protocol, and the control unit sends an instruction to the 4D rhythm unit through the serial port to realize the control of music.

[0013] Further, the control system further comprises a burning interface unit, the burning interface unit is electrically connected with the control unit, and is used for burning and updating the program of the control unit.

[0014] Further, the control system further comprises a current sensor and / or a hall sensor, which is used for monitoring the running state of the motor placed in the intelligent seat.

[0015] The technical scheme provided by the embodiment of the utility model has the beneficial effects that: through the synergistic effect among the control unit, the driver and the interface unit, one controller can realize the multifunctional control of the intelligent seat through different functional interfaces in the interface unit; through the signal feedback unit, the position feedback signal of the intelligent seat can be accurately obtained, and the closed-loop control of the intelligent seat is realized; through the synergistic effect between the timer and the control unit, the automatic control of the intelligent seat can be realized in the process of the intelligent control of the intelligent seat, and the timing control function of the intelligent seat is realized through the program pre-burned in the control unit; on the one hand, the production cost is reduced, the occupied space of the control system is reduced, and the integration of the system is improved through the modularization setting. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1It is an intelligent seat control system structure schematic diagram provided by the embodiment of the utility model.

[0018] Figure 2 It is a control unit structure schematic diagram provided by the embodiment of the utility model.

[0019] Figure 3 It is a circuit topology diagram in the circuit protection unit provided by the embodiment of the utility model.

[0020] Figure 4 It is a signal feedback unit circuit topology diagram provided by the embodiment of the utility model.

[0021] Figure 5 It is a storage circuit topology diagram contained in the storage unit provided by the embodiment of the utility model. Specific implementation

[0022] In order to make the purpose, technical scheme and advantage of the utility model more clear, the following will combine the drawings to make further detailed description to the embodiment of the utility model.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model, for example, the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "upper end", "lower end", "middle" and the like indicate the orientation or position based on the orientation or position shown in the drawings, which is only for the purpose of description and cannot be understood as a limitation on the technical scheme.

[0024] The terms "include" and "have" and any variations thereof in the specification and claims of the utility model and the above drawing description are intended to cover non-exclusive inclusion; the terms "first", "second" and the like in the specification and claims of the utility model or the above drawings are used to distinguish different objects and are not used to describe a specific order. The meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0025] In addition, the reference to "embodiment" in this paper means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the utility model. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment independent of or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0026] Embodiment

[0027] The specific implementation is as follows:

[0028] As shown in Figure 1 The application provides a kind of intelligent seat control system structure schematic diagram as shown in the embodiment of the utility model.

[0029] As an example, the control system includes: control unit 1, input unit 2, power supply circuit 3, driver 4, interface unit 5, timing unit 6 and signal feedback unit 7;The output end of the power supply circuit 3 is electrically connected with the second input end of the control unit 1, for providing working voltage for the control unit 1;The first output end of the control unit 1 is electrically connected with the input end of the driver 4, for generating control signal corresponding to the control instruction input 2 of the input unit based on the control instruction input 2 of the input unit and sending to the driver 4;The output end of the driver 4 is electrically connected with the input end of the interface unit 5, for converting the control signal sent by the control unit 1 into the electrical signal recognizable by the interface unit 5;The output end of the interface unit 5 is externally connected in the functional interface corresponding to the interface unit in the intelligent seat, for controlling the intelligent seat to realize the function corresponding to the functional interface based on the received electrical signal;The input end of the signal feedback unit 7 is electrically connected with the intelligent seat, and the output end is electrically connected with the control unit 1, for obtaining the position information of the motor placed in the intelligent seat and feeding it back to the control unit 1, so that the control unit 1 judges whether the motor is located at the preset limit position based on the position information;The input end of the timing unit 6 is connected with the intelligent seat, and the output end of the timing unit 6 is electrically connected with the third input end of the control unit 1, and the timing unit 6 is used to start timing after receiving the start signal sent by the pressure sensor placed on the intelligent seat, and send the first electrical signal to the control unit 1 when the timing time reaches the first time threshold, and the control unit 1 controls the preset function in the intelligent seat through the interface unit 5 based on the first electrical signal.

[0030] In some possible embodiments, the control system further includes a storage unit 8, which is bidirectionally electrically connected with the control unit 1, for storing data in the control unit 1 and for sending the stored data to the control unit 1. Figure 5 As shown, it is a storage circuit topology diagram contained in the storage unit 8.

[0031] In some possible embodiments, in combination with Figure 2 As shown, it is a control unit structure schematic diagram, and the main control chip uses HC32F460KETA-LQFP64.

[0032] In some possible implementation manners, the control system further comprises a circuit protection unit 9 disposed between the control unit 1 and the power supply circuit 3, wherein the circuit protection unit 9 is integrated with an overload protection circuit, an overheat protection circuit and a short-circuit protection circuit, and is configured to enable the control system to work normally. Specifically, as shown in the circuit topology diagram of the circuit protection unit 9, the static electricity protection function is achieved by absorbing static electricity through a TVS tube, and the overload protection function is achieved by passing through a fuse. When the load of the external interface circuit exceeds the current that can be borne by the fuse, the fuse is disconnected, thereby achieving the circuit protection function. Figure 3

[0033] In some possible implementation manners, the interface unit 5 comprises one or a combination of a motor interface, an atmosphere lamp interface, a ventilation and heating interface, a communication interface and a pneumatic massage interface. That is, the interfaces included in the interface unit 5 are connected to the functional interfaces in the intelligent seat in a corresponding manner, and are configured to control the intelligent seat to achieve the corresponding functions, including: controlling the motor in the intelligent seat to drive the backrest to move forward and backward and drive the leg rest to lift through the motor interface; controlling the atmosphere lamp installed on the intelligent seat to flash through the atmosphere lamp interface, and the flashing frequency and the light color are controlled based on the rules preset in the control unit 1; controlling the ventilation and heating device in the intelligent seat to work through the ventilation and heating interface, and it should be noted that the ventilation function and the heating function cannot be implemented at the same time, that is, when the heating function is turned on, the ventilation function is turned off, and vice versa; connecting to an external device through the communication interface, such as connecting to a mobile device through the communication interface; and controlling the massage function of the intelligent seat through the pneumatic massage interface.

[0034] In some possible implementation manners, the timing unit 6 is further configured to start timing when receiving that the ventilation and heating interface disposed on the intelligent seat is in an open state, and send a second electric signal to the control unit when the timing time reaches a second time threshold, and the control unit controls the ventilation function of the intelligent seat to be turned off through the interface unit based on the second electric signal. Specifically, when the ventilation function in any gear is turned on, the timing unit 6 starts timing, and when the timing time reaches 2 hours, the control unit 1 is sent an electric signal to control the control unit 1 to control the ventilation function to be turned off. It should be noted that the ventilation and heating functions are in a mutual exclusion relationship, that is, the ventilation function is automatically turned off when the heating function is turned on, and the heating function is automatically turned off when the ventilation function is turned on. It should be noted that the second time threshold is not limited herein, and it can be understood that the specific value of the second time threshold can be changed by the skilled person based on the actual demand in the actual application.

[0035] ​In some possible implementation manners, the timing unit 6 is further configured to start timing when receiving a starting signal sent by the pressure sensor placed on the intelligent chair, and send a first electric signal to the control unit 1 when the timing reaches a first time threshold, and the control unit 1 controls the preset function of the intelligent chair to be turned off through the interface unit 5 based on the first electric signal. Specifically, when it is identified that a person leaves the seat, the pressure sensor placed on the end of the intelligent chair is disconnected, at this time, the functions of ventilation, heating, massage, light, music headrest of the seat are automatically turned off after a delay of 2 minutes, if the person sits on the seat again within 2 minutes, the functions of ventilation, heating, massage, light, music headrest are not automatically turned off after a delay of 2 minutes. It should be noted that the first time threshold is not limited here, and it can be understood that the technical personnel can change the specific value of the first time threshold based on the actual demand in the actual application.

[0036] In some possible implementation manners, the input unit 2 includes a display screen and physical buttons, the display screen communicates with the control unit 1 through the RS232 protocol, and the control unit 1 controls the switch of the interface voltage corresponding to the interface unit based on the control instruction received by the display screen, so as to realize the start or stop of the seat function controlled by the interface. Specifically, the display screen communicates with the office chair controller through the RS232 protocol, and the controller returns the instruction to the screen if the screen has the icon of state feedback, for example, the functions of ventilation, heating and massage. All instructions of the screen are with CRC check, so as to prevent data loss or transmission error from causing control abnormality. The control unit 1 receives the instruction, first analyzes it, and then executes the corresponding action after the data check is passed. For example, when the display screen back button is pressed, the liquid crystal screen sends an instruction to the control unit 1, the control unit 1 receives the instruction, and then controls the back motor relay port to output positive voltage or negative voltage, so as to realize the forward and reverse control of the motor. The control principles of other electromagnetic valves, air pumps and ventilation and heating ports are similar to the motor control principle, and the switch of the control port voltage is used to realize the start and stop of the function. The 4D music motion is communicated with the 4D motion control board through the serial port protocol by the control unit 1, the main board sends the corresponding instruction to the 4D motion unit through the serial port, so as to realize the control of music.

[0037] In some possible embodiments, the physical keys are electrically connected to the control unit 1, and when the control unit receives a high-low signal trigger, the low level signal is valid. When the key is pressed, the signal line is connected to the ground, and the control unit 1 recognizes the corresponding key trigger to perform the corresponding action. The action includes one-key expansion and one-key retraction. Two physical switches are high-low signal triggers for the control unit 1, and the low level is valid. When the key is pressed, the signal line is connected to the ground, and the control unit 1 recognizes the corresponding key trigger to perform the corresponding action. The function is divided into one-key expansion and one-key retraction. The one-key expansion logic is that the backrest reaches the rear limit point of the structure, and the leg support reaches the upper limit point of the structure. The one-key retraction logic is that the backrest reaches the front limit point of the structure, and the leg support reaches the lower limit point of the structure. The motor in-place signal is identified through the feedback port, so as to realize the closed-loop control of the motor.

[0038] In some possible embodiments, the control system further comprises a 4D rhythm unit 10, and the control unit 1 communicates with the 4D rhythm unit 10 through a serial port protocol. The control unit 1 sends instructions to the 4D rhythm unit 10 through the serial port, so as to realize the control of music. The 4D rhythm unit 10 comprises a loudspeaker and a vibrator. Figure 4 As shown in the figure, it is a signal feedback unit circuit topology diagram. A transistor is used to detect the motor feedback. The motor hall signal enters from H3, and HALL-O3 is connected to the main control chip pin. When the motor stops, the H3 level is low, the transistor is turned on, and the HALL-O3 level is pulled to low. When the motor starts to work, the motor hall signal line will continuously generate a square wave. When the level of H3 is high, the transistor is cut off, and HALL-O3 is high. When HALL-O3 changes from low to high once, it is recorded as one hall.

[0039] In some possible embodiments, the control system further comprises a 4D rhythm unit 10, and the control unit 1 communicates with the 4D rhythm unit 10 through a serial port protocol. The control unit 1 sends instructions to the 4D rhythm unit 10 through the serial port, so as to realize the control of music. The 4D rhythm unit 10 comprises a loudspeaker and a vibrator.

[0040] In some possible embodiments, the control system further comprises a burning interface unit 11, which is electrically connected to the control unit 1 and is used for burning and updating the program of the control unit 1.

[0041] In some possible embodiments, the control system further comprises a current sensor and / or a hall sensor, which is used for monitoring the running state of the motor placed in the intelligent seat.

[0042] The above-mentioned embodiment can realize the multifunctional control of the intelligent seat through different functional interfaces in the interface unit by using one controller through the cooperation between the control unit, the driver and the interface unit; the position feedback signal of the intelligent seat can be accurately obtained through the signal feedback unit, and the closed-loop control of the intelligent seat is realized; the automatic control of the intelligent seat can be met in the process of realizing the intelligent control of the intelligent seat through the cooperation between the timer and the control unit, and the timing control function of the intelligent seat is realized through the program pre-burned in the control unit; on the one hand, the multifunctional control of the intelligent seat is realized through one control system, the production cost is reduced, the occupied space of the control system is reduced, and the integration of the system is improved through the modularization setting.

[0043] The above-mentioned embodiment is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An intelligent seat control system, characterized by, The control system comprises a control unit, an input unit, a power supply circuit, a driver, an interface unit, a timing unit and a signal feedback unit; The power supply circuit output end is electrically connected with the second input end of the control unit, for providing working voltage for the control unit; The first output end of the control unit is electrically connected with the input end of the driver, for generating control signal corresponding to the control instruction input by the input unit and sending to the driver; The output end of the driver is electrically connected with the input end of the interface unit, for converting the control signal sent by the control unit into electrical signal recognizable by the interface unit; The output end of the interface unit is externally connected with the functional interface corresponding to the interface unit in the intelligent seat, for controlling the intelligent seat to realize the function corresponding to the functional interface based on the received electrical signal; The input end of the signal feedback unit is electrically connected with the intelligent seat, and the output end is electrically connected with the control unit, for acquiring the position information of the motor placed in the intelligent seat and feeding back to the control unit, so that the control unit judges whether the motor is located at the preset limit position based on the position information; The input end of the timing unit is connected with the intelligent seat, and the output end of the timing unit is electrically connected with the third input end of the control unit, the timing unit is used for starting timing after receiving the start signal sent by the pressure sensor placed on the intelligent seat, and sending first electrical signal to the control unit when the timing time reaches the first time threshold, and the control unit controls the preset function in the intelligent seat to be closed through the interface unit based on the first electrical signal.

2. The intelligent seat control system of claim 1, wherein, The control system further comprises a storage unit, which is bidirectionally electrically connected with the control unit, for storing the data in the control unit and sending the stored data to the control unit.

3. The intelligent seat control system of claim 1, wherein, The control system further comprises a circuit protection unit, which is placed between the control unit and the power supply circuit, and has overload protection circuit, overheat protection circuit and short circuit protection circuit integrated therein, for enabling the control system to work normally.

4. The intelligent seat control system of claim 1, wherein, The interface unit comprises one or a combination of motor interface, atmosphere lamp interface, ventilation and heating interface, communication interface and pneumatic massage interface.

5. The intelligent seat control system of claim 1, wherein, The timing unit is further used for starting timing when receiving that the ventilation and heating interface placed on the intelligent seat is in the open state, and sending second electrical signal to the control unit when the timing time reaches the second time threshold, and the control unit controls the ventilation function in the intelligent seat to be closed through the interface unit based on the second electrical signal.

6. The intelligent seat control system of claim 1, wherein, The input unit comprises a display screen and physical buttons, the display screen communicates with the control unit through RS232 protocol, and the control unit controls the switch of the interface voltage corresponding to the received control instruction sent by the display screen, so as to realize the opening or stop of the seat function controlled by the interface.

7. The intelligent seat control system of claim 6, wherein, The physical key is electrically connected with the control unit, when the control unit receives high and low level signal trigger, low level signal is effective, when the key is pressed, the signal line is connected with the ground, the control unit identifies the corresponding key trigger and executes the corresponding action; the action includes one key expansion and one key retraction.

8. The intelligent seat control system of claim 1, wherein, The control system further comprises a 4D rhythm unit, the control unit and the 4D rhythm unit are communicated through serial port protocol, the control unit sends instructions to the 4D rhythm unit through the serial port, so as to realize the control of music.

9. The intelligent seat control system of claim 1, wherein, The control system further comprises a burning interface unit, the burning interface unit is electrically connected with the control unit, and is used for burning and updating the program of the control unit.

10. The intelligent seat control system of claim 1, wherein, The control system further comprises a current sensor and / or a hall sensor, which is used for monitoring the running state of the motor placed in the intelligent seat.

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